6 Error Indicators and Warnings

NE_INT_ARG_LT

On entry, n=value.
Constraint: n≥1.

7 Accuracy

Exact.

8 Further Comments

The time taken is negligible.

9 Example

This program reads in a sequence of complex data values and prints their inverse discrete Fourier transform as computed by calling nag_conjugate_complex (c06gcc), followed by nag_fft_complex (c06ecc) and nag_conjugate_complex (c06gcc) again.